<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title></title>
    <script>
    let score=[19, 85, 99, 25, 90];

    let result=score.map(item=>item>=60?'及格':'不及格');

    alert(score);
    alert(result);
    </script>
  </head>
  <body>

  </body>
</html>
